belongings (n)
/bɪˈlɒŋ.ɪŋz/ 

the things that a person owns, especially those that can be carried

burial (n)
/ˈber.i.əl/

the act or ceremony of burying a dead body

chamber (n)
/ˈtʃeɪm.bər/

a room used for a special or official purpose

dedicate (v)
/ˈded.ɪ.keɪt/

to give all of your energy, time, etc.

enlist (v)
/ɪnˈlɪst/

to join the armed forces

eternal (adj)
/ɪˈtɜː.nəl/

lasting for ever or for a very long time

ground (n)
 /ɡraʊnd/

an area of land used for a particular purpose or activity

impressive (adj)
/ɪmˈpres.ɪv/

very good, large,or showing great skill

ramp (n)
/ræmp/

an artificial slope

spiral (adj)
 /ˈspaɪə.rəl/ 

shaped in a series of curves, each one above or wider than the one before

structure (n)
 /ˈstrʌk.tʃər/ 

the way in which the parts of something are organized or arranged into a whole

surpass (v)
/səˈpɑːs/

to do or be better than

theory (n)
 /ˈθɪə.ri/ 

a formal statement of the rules on which a subject of study is based or of ideas that are suggested to explain a fact or event

throne (n)
 /θrəʊn/ 

the special chair used by a ruler, especially a king or queen

tomb (n)
/tuːm/

a large stone structure or underground room where someone, especially an important person, is buried

treasure (n)
 /ˈtreʒ.ər/ 

a collection of valuable things such as gold, silver and jewellery

lift off (phrasal verb)
/ˈlɪft.ɒf/

to go up from the ground into the air

weightlessness (n)
 /ˈweɪt.ləsnəs/

status of having or appearing to have no weight

plane crash (phrase)
/pleɪn kræʃ/

an accident, especially one that damages a aircfraft

manned (adj)
/mænd/

operated or controlled by people